PAJ4 Air ConditionerUp to 13.4 SEER2 PHJ4 Heat PumpUp to 13.4 SEER2Up to 6.7 HSPF2 PHR5 Heat PumpUp to 15.5 SEER2Up to 7.5 HSPF2 PGR5 Gas ElectricUp to 16 SEER2Up to 81 AFUE PAR5 Air ConditionerUp to 16 SEER2 PHB4 Heat PumpUp to 13.4 SEER2Up to 6.7 HSPF2 PDB4 Dual FuelUp to 13.4 SEER2Up to 6.7 HSPF2Up to 81 AFUE PGB4 Gas ElectricUp to 13.4 SEER2Up to 81 AFUE PAB4 Air ConditionerUp to 13.4 SEER2 PHM4 Heat PumpUp to 13.4 SEER2Up to 6.7 HSPF2 PAM4 Air ConditionerUp to 13.4 SEER2
